Botanikai közlemények - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termszettudomnyi Trsulat, 1912)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1879)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1899)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1903)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1910)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1914)

Botanisk tidsskrift - Dansk botanisk forening. (G.E.C. Gads Forlag, 1916)

Botany, developmental and descriptive - Mansfield, William (Lea, 1922)

Boyd's wholesale price list, season 1939-1940 : fruit trees, forest and shade trees, hardy ornamental shrubs and hedge plants, evergreens, vines, forest tree seedlings and lining out stock, seeds and cuttings - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Boyd Nursery Company, 1939)

The Bradley bibliography; a guide to the literature of the woody plants of the world published before the beginning of the twentieth century - Sargent, Charles Sprague, 1841 -1927 (Riverside Press, 1911)

Brief instructions to Massachusetts Forest Wardens - Massachusetts. State Forester. (The Forester, 1907)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1986)

Brimleyana - North Carolina State Museum of Natural History. (North Carolina State Museum of Natural History], 1995)

The Bristol Nurseries, Inc. : 1931 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1931)

The Bristol Nurseries, Inc. : 1932 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1932)

Bristol Nurseries, Inc., 1933 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1933)

Bristol Nurseries, Inc., 1940, originators of the hybrid Korean chrysanthemums and many fine perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1940)

Bristol Nurseries, Inc., 1941, originators of hybrid Korean chrysanthemums and many fine perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1941)

Bristol Nurseries, Inc., originators of the hybrid Korean chrysanthemums - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol Nurseries, Inc, 1939)

Brockhaus' Konversations-Lexikon (F.A. Brockhaus, 1894)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1928)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1931)

Brooklyn Botanic Garden record - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1942)

The Bryologist - Grout, A. J. (Abel Joel), 1867 -1947 (American Bryological and Lichenological Society, 1922)

A bud and twig key to the more important broadleaf deciduous trees in the United States - Sponsler, Olenus Lee, 1879 -1953 (G. Wahr, 1916)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Bulletin - Pennsylvania. Department of Forest; Waters. (The Department, 1902)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1976)

Bulletin - Pennsylvania. Department of Forestry. (The Department, 1901)

Bulletin - Pennsylvania. Department of Forest; Waters. (The Department, 1923)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1956)

Bulletin - Virginia Native Plant Society. (The Society, 1989)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1979)

Bulletin - Virginia Native Plant Society. (The Society, 1999)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1960)

Bulletin - Virginia Native Plant Society. (The Society, 2009)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1984)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 1992)

Bulletin - New York State Museum; Science Service. (University of the State of New York, 1973)

Bulletin - Virginia Native Plant Society. (The Society, 2014)

Bulletin - New York State Museum. (University of the State of New York, State Education Dept, 2003)

Bulletin - National Museum of Canada. (National Museum of Canada, 1938)

Bulletin - United States National Museum (G.P.O, 1928)

Bulletin - United States National Museum (G.P.O, 1956)

Bulletin - United States National Museum (G.P.O, 1959)

Bulletin - United States National Museum (G.P.O, 1965)

Bulletin - United States National Museum (G.P.O, 1964)

Bulletin - National Museum of Canada. (National Museum of Canada, 1950)

Bulletin - National Museum of Canada. (National Museum of Canada, 1957)

Bulletin - National Museum of Canada. (National Museum of Canada, 1958)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1895)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1908)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

Bulletin de la Société dendrologique de France - Société dendrologique de France. (Socit dendrologique de France, 1906)

Bulletin de la Société impériale des naturalistes de Moscou - Moskovskoe obshchestvo liubitelei prirody. (Société impériale des naturalistes de Moscou, 1850)

Bulletin du Muséum national d'histoire naturelle - Muséum national d'histoire naturelle (France) (Imprimerie nationale, 1939)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1911)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1915)

Bulletin from the laboratories of natural history of the State University of Iowa - University of Iowa. (The University, 1925)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1921)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1929)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1941)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1944)

Bulletin - Illinois. Natural History Survey Division (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1953)

Bulletin / Maine Agricultural Experiment Station - Maine Agricultural Experiment Station. (Maine Agricultural Experiment Station, 1919)

Bulletin - Massachusetts Agricultural Experiment Station - Massachusetts Agricultural Experiment Station. (Massachusetts Agricultural Experiment Station, 1907-1974, 1907)

Bulletin / New York State Museum - New York State Museum. (New York State Education Dept, 1903)

Bulletin of the American Museum of Natural History - Allen, J. A. (Joel Asaph), 1838 -1921 (American Museum of Natural History, 1898)

Bulletin of the Biological Society of Washington - Biological Society of Washington (The Society, 1918)

Bulletin of the British Museum (Natural History) Entomology - British Museum (Natural History) (The Museum, 1966)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1915)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1876)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1908)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1910)

Bulletin of the Illinois State Laboratory of Natural History - Illinois State Laboratory of Natural History. (The Laboratory, 1915)

Bulletin of the Museum of Comparative Zoology at Harvard College - Harvard University. Museum of Comparative Zoology. (The Museum, 1976)

Bulletin of the Proceedings of the National Institute for the Promotion of Science - National Institute for the Promotion of Science. (1841)

Bulletin of the scientific laboratories of Denison University - Denison Scientific Association. ([The University], 1919)

Bulletin - Southern California Academy of Sciences. (The Academy, 1984)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1905)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1906)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1909)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1915)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1916)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1915)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1916)

Bulletin of the U.S. Department of Agriculture - United States. Department of Agriculture. (Supt. of Docs., G.P.O, 1917)

Bulletin of the Wisconsin Natural History Society - Wisconsin Natural History Society. (The Society, 1907)

Bulletin - Ohio Biological Survey. (Ohio State University, 1913)

Bulletin - Ohio Biological Survey. (Ohio State University, 1915)